Establishing the cut-off scores for the severity ranges of schizophrenia on the BPRS-6 scale: findings from the REAP-AP

Seon Cheol Park, Eun Young Jang, Kiwon Kim, Hoseon Lee, Joonho Choi, Amitava Dan, Arshad Hussain, Andi Jayalangkara Tanra, Takahiro A. Kato, Kok Yoon Chee, Sih Ku Lin, Chay Hoon Tan, Afzal Javed, Norman Sartorius, Naotaka Shinfuku, Yong Chon Park

Research output: Contribution to journalArticlepeer-review

Abstract

Objective: Using data from the Research on Asian Psychotropic Prescription Patterns for Antipsychotics (REAP-AP), our study aimed to establish the remission and severity ranges (mild, moderate, and severe) of schizophrenia on the Brief Psychiatric Rating Scale-6 (BPRS-6). Methods: A total of 1,438 patients with schizophrenia from India, Indonesia, Japan, Malaysia, and Taiwan were enrolled in the study. Using the receiver operating characteristic (ROC) curve analyses, the optimal cut-off scores for the remission and severity ranges on the BPRS-6 were established. Results: The scalability of the BPRS-6 was considered to have an acceptable “unidimensionality” (coefficient of scalability = 0.43). The cut-off scores for the remission of schizophrenia and mild, moderate, and severe schizophrenia can be optimally defined as the BPRS-6 total score of <5, 5–9, 10–19 and >20, respectively. Conclusion: The BPRS-6 can be a promising, brief, and unidimensional rating scale to supplement the measurement-based care of schizophrenia.

Original languageEnglish
Pages (from-to)895-898
Number of pages4
JournalPsychiatry and Clinical Psychopharmacology
Volume29
Issue number4
DOIs
Publication statusPublished - Oct 2 2019

All Science Journal Classification (ASJC) codes

  • Psychiatry and Mental health
  • Pharmacology (medical)

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